85713 (1998 SS49)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6388279291 ± 9.76e-09
Semi-major axis (a)1.9234610632 AU ± 2.56e-10
Inclination (i)10.78514118° ± 2.02e-06
Long. of Asc. Node (Ω)40.94920425° ± 3.86e-06
Arg. of Perihelion (ω)103.13358943° ± 4.25e-06
Mean Anomaly (M)27.38773996° ± 4.24e-07
Mean Motion (n)0.3694768031°/day ± 7.39e-11
Perihelion dist (q)0.69470042 AU ± 1.88e-08
Aphelion dist (Q)3.15222171 AU ± 1.88e-08
Orbital Period2.66762697 yr ± 5.33e-10
Physical Parameters
H (abs. magnitude)15.77
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.234″
Uncertainty0
Orbit TypeApollo
MOID0.004653 AU
Observations Used1372
Radar Obs Used3
Oppositions15
Arc Total1998-2024
First Observation Used1998-09-29
Last Observation Used2024-10-22
Observations (1498)
Date Type RA Dec Mag Band Observatory
2022-10-18 11:58:00 C 04 46 29.897 +21 40 35.62 V T05
2022-10-18 12:00:36 C 04 46 30.144 +21 40 38.14 V T05
2022-10-18 12:08:10 C 04 46 30.854 +21 40 45.12 V T05
2022-10-18 12:21:12 C 04 46 32.090 +21 40 57.29 V T05
2022-10-18 22:17:09 C 04 47 32.32 +21 49 59.0 V C23
2022-10-18 22:21:27 C 04 47 32.76 +21 50 03.3 V C23
2022-10-18 22:26:51 C 04 47 33.28 +21 50 08.4 V C23
2022-10-19 13:23:03 C 04 49 04.094 +22 04 35.04 V T08
2022-10-19 13:27:04 C 04 49 04.486 +22 04 38.93 V T08
2022-10-19 14:12:55 C 04 49 08.969 +22 05 23.10 V T08
2022-10-19 14:20:55 C 04 49 09.754 +22 05 30.84 V T08
2022-10-19 15:20:54 C 04 49 15.650 +22 06 28.37 V T08
2022-10-20 13:44:31 C 04 51 37.903 +22 28 45.08 V T08
2022-10-20 13:51:56 C 04 51 38.652 +22 28 52.72 V T08
2022-10-20 13:56:40 C 04 51 39.134 +22 28 57.43 V T08
2022-10-20 14:46:49 C 04 51 44.234 +22 29 48.05 V T08
2022-10-21 09:08:48 C 04 53 45.478 +22 48 49.43 V 703
2022-10-21 09:18:58 C 04 53 46.554 +22 49 00.26 V 703
2022-10-21 09:29:08 C 04 53 47.634 +22 49 11.39 V 703
2022-10-21 09:39:20 C 04 53 48.692 +22 49 22.01 V 703
2022-10-21 14:06:40 C 04 54 17.998 +22 54 10.98 V T05
2022-10-21 14:11:18 C 04 54 18.487 +22 54 15.91 V T05
2022-10-21 14:19:15 C 04 54 19.330 +22 54 24.34 V T05
2022-10-21 14:38:25 C 04 54 21.362 +22 54 44.78 V T05
2022-10-23 11:44:49 C 04 59 38.014 +23 45 33.44 V T08
2022-10-23 11:47:29 C 04 59 38.328 +23 45 36.61 V T08
2022-10-23 11:51:28 C 04 59 38.782 +23 45 41.40 V T08
2022-10-23 11:58:47 C 04 59 39.629 +23 45 50.22 V T08
2022-10-24 03:34:24 C 05 01 35.89 +24 04 43.4 q X33
2022-10-24 03:36:54 C 05 01 36.18 +24 04 44.7 q X33
2022-10-24 03:39:25 C 05 01 36.54 +24 04 50.4 q X33
2022-10-24 11:35:45 C 05 02 36.230 +24 14 32.24 V T08
2022-10-24 11:39:45 C 05 02 36.710 +24 14 37.28 V T08
2022-10-24 11:43:44 C 05 02 37.202 +24 14 42.32 V T08
2022-10-24 11:51:04 C 05 02 38.083 +24 14 51.61 V T08
2022-10-26 22:47:43 C 05 10 39.69 +25 33 27.9 V C23
2022-10-26 22:53:30 C 05 10 40.50 +25 33 36.4 V C23
2022-10-26 22:58:42 C 05 10 41.26 +25 33 43.6 V C23
2022-10-27 14:33:48 C 05 12 58.289 +25 56 44.34 V T08
2022-10-27 14:40:48 C 05 12 59.297 +25 56 54.67 V T08
2022-10-27 14:48:51 C 05 13 00.456 +25 57 06.55 V T08
2022-10-27 15:06:16 C 05 13 02.969 +25 57 32.08 V T08
2022-10-28 13:41:15 C 05 16 34.428 +26 32 07.84 V T08
2022-10-28 13:42:35 C 05 16 34.625 +26 32 10.03 V T08
2022-10-28 13:47:15 C 05 16 35.342 +26 32 17.30 V T08
2022-10-28 13:48:37 C 05 16 35.551 +26 32 19.36 V T08
2022-10-28 13:53:24 C 05 16 36.288 +26 32 26.81 V T08
2022-10-28 13:54:44 C 05 16 36.478 +26 32 29.00 V T08
2022-10-28 14:44:24 C 05 16 44.071 +26 33 46.44 V T08
2022-10-28 14:45:23 C 05 16 44.222 +26 33 48.17 V T08
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-11-21 11:44:00 193523879.3 4 us 2380 -1 -1
2014-11-21 12:31:00 193610727.44 1 us 2380 -1 -1
2022-11-18 07:50:00 146933763 10 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)